Course 10 of the Maulua-nui boundary runs "along the Govt land Puuohua to a natural divide in the Manoloa [called Pohakupuku Stream on USGS] stream called ʻKahuiwai o Manoloaʻ, being the head of the land of Manoloa." Elev. about 2180 ft. Here the stream divides, then rejoins at about 2030 ft. elev.